| Ondokuzmayis to Karlovo | 583.11 mi (938.43 km) |
| Ondokuzmayis to Karnobat | 472.90 mi (761.06 km) |
| Ondokuzmayis to Kavarna | 416.71 mi (670.64 km) |
| Ondokuzmayis to Kazanlak | 552.92 mi (889.84 km) |
| Ondokuzmayis to Knezha | 626.00 mi (1,007.46 km) |
| Ondokuzmayis to Kostinbrod | 664.45 mi (1,069.32 km) |
| Ondokuzmayis to Kozloduy | 646.44 mi (1,040.34 km) |
| Ondokuzmayis to Kyustendil | 690.45 mi (1,111.17 km) |
| Ondokuzmayis to Levski | 572.53 mi (921.40 km) |
| Ondokuzmayis to Lom | 671.30 mi (1,080.35 km) |
| Ondokuzmayis to Lovech | 590.96 mi (951.05 km) |
| Ondokuzmayis to Lukovit | 619.04 mi (996.25 km) |
| Ondokuzmayis to Lyaskovets | 540.68 mi (870.15 km) |
| Ondokuzmayis to Mezdra | 642.02 mi (1,033.23 km) |
| Ondokuzmayis to Momchilgrad | 551.28 mi (887.21 km) |